The layer of a viscous fluid in contact with a pipe wall is:

  1. moving fastest
  2. turbulent always
  3. at rest (no-slip condition)
  4. moving at the average speed
Answer

C) at rest (no-slip condition)

It sticks to the wall. SLO P-11-B-41 · Understanding

Physics MCQ · More Fluid Statics and Dynamics MCQs · Practise